* Built-in wireless Bluetooth 2.0,Support for EDR,Data transfer rate of up to 2.1Mbps.* Rechargeable Lithium battery lasts for approximately 30 hours per charge* Built-in Bluetooth indicator, power indicator.* Support for custom game control.* Support for custom key combination* Compatible with all the virtual key games and touch-screen games, the perfect analog touch screen action.* Support Unlimited escalation of software* Support iPhone4/iPhone 4S perfect jailbreak version